Chevrolet Silverado 2010 — technical service bulletin
Bulletin SB-10015A · NHTSA communication 10035545 · issued Sep 1, 2010
Technical service bulletin
communication type
Power Train
component
2010
model years
4
vehicle entries
Official summary
Chevrolet/gmc: transfer case leak. Provides a service procedure to inspect the transfer case plug for presence of an o ring and if necessary, install a new plug that contains o-ring. Bulletin being revised to extend the expiration date to 9/30/11. *pe
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.